Question 1

Which of the following best describes the function of articular cartilage in a synovial joint?

Accepted Answer

It absorbs shock and reduces friction between articulating bones.

Question 2

A patient presents with pain and swelling in the knee after a twisting injury. Imaging reveals damage to the meniscus. What is the primary function of the meniscus in the knee joint?

Accepted Answer

To increase the stability of the joint by deepening the articular surface.

Question 3

Which type of synovial joint allows for the greatest range of motion, including flexion, extension, abduction, adduction, and rotation?

Accepted Answer

Ball-and-socket joint

Question 4

A person is unable to rotate their forearm so that the palm faces upward. Which type of joint is most likely affected?

Accepted Answer

Pivot joint

Question 5

Which of the following movements is correctly matched with its definition?

Accepted Answer

Extension: increase in the angle between articulating bones

Question 6

Which of the following is a characteristic of osteoarthritis?

Accepted Answer

It is a degenerative joint disease primarily affecting weight-bearing joints.

Question 7

A patient with Lyme disease may present with which of the following symptoms related to joints?

Accepted Answer

Joint stiffness and swelling

Question 8

Which of the following factors does NOT affect the range of motion at a synovial joint?

Accepted Answer

Number of red blood cells in the joint

Question 9

Which movement is demonstrated when the sole of the foot is turned medially?

Accepted Answer

Inversion

Question 10

A sprain is best defined as:

Accepted Answer

A twisting of a joint that stretches or tears ligaments without dislocation

Question 11

Which joint type is correctly paired with its example?

Accepted Answer

Condyloid joint: wrist

Question 12

Which of the following best describes the movement of circumduction?

Accepted Answer

Movement of the distal end of a body part in a circle, combining flexion, abduction, extension, and adduction

Question 13

Which of the following is a special movement of the mandible?

Accepted Answer

Protraction

Question 14

Which of the following statements about synovial fluid is correct?

Accepted Answer

It contains hyaluronic acid and provides nutrients to articular cartilage.

Question 15

A patient with gouty arthritis is likely to have which of the following in their joints?

Accepted Answer

Sodium urate crystals

Question 16

Which of the following is a correct description of a hinge joint?

Accepted Answer

It allows movement in one plane, such as flexion and extension.

Question 17

Which of the following is NOT a typical effect of aging on synovial joints?

Accepted Answer

Thickening of articular cartilage

Question 18

Which movement is demonstrated when the palm is turned from facing anteriorly to facing posteriorly?

Accepted Answer

Pronation

Question 19

Which of the following joints is correctly matched with its movement type?

Accepted Answer

Pivot joint: rotation around a longitudinal axis

Question 20

A patient is unable to touch the tip of their thumb to the tip of their little finger. Which joint is most likely affected?

Accepted Answer

Saddle joint at the base of the thumb

Articulations and Synovial Joints: Structure, Types, and Movements

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